Morphometric study of the cornea in human embryos
Related Experiment Video
Updated: Oct 9, 2026
Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts
Published on: October 21, 2022
A Styszyński1, M Bruska, W Woźniak
1Department of Anatomy, Karol Marcinkowski University School of Medical Sciences, Poznań, Poland.
Insights
Human embryonic cornea thickness changes during development. Initially uniform, it thickens centrally by the 7th week, then peripherally in the final embryonic week.
Area of Science:
- Embryology
- Ophthalmology
- Human Anatomy
Background:
- The cornea's development is crucial for visual function.
- Understanding early structural changes aids in identifying developmental abnormalities.
Purpose of the Study:
- To investigate morphometric changes in the human embryonic cornea.
- To detail the structural differentiation of the cornea during early development.
Main Methods:
- A morphometric study was performed on 28 serially sectioned human embryos.
- Corneal thickness was analyzed across different developmental stages.
Main Results:
- Early embryonic cornea (stages 15-17) exhibits uniform thickness.
- By developmental stages 18-19 (7th week), central corneal thickness increases.
- In the final embryonic week, the peripheral cornea becomes thicker than the central cornea.
Conclusions:
- The human embryonic cornea undergoes significant morphometric changes.
- These changes reflect distinct phases of structural differentiation.
- Findings provide a basis for understanding normal corneal development.
Abstract:
Morphometric study was conducted on 28, serially sectioned staged human embryos. The cornea is of equal thickness during its early development (stages 15-17). During developmental stages 18 and 19 (7th week) it is thicker in the central part. In the last embryonic week the peripheral part of the cornea becomes thicker than its central part. The performed study elucidates structural differentiation during development of the cornea.